Butterfly Knives – Perfect Addition To Your Knife collection A butterfly knife, also known as balisong or fan knife is a folding pocket knife. It consists of a blade with two handles which can rotate in such a way that it can be concealed easily. The origin of butterfly knives has many answers, some called it an invention of Philippines and some credits to France so, it’s origin isstill a topic of debate. This knife catches everyone’s attention due to its unique design and applications. https://www.perryknifeworks.com/item--spyderco-smallfly-2-balisong-butterfly-knife-gray-g-10-3-3-satin/ butterfly_knife